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https://www.selleckchem.com/pr....oducts/ro5126766-ch5
Yaku'amide B (1) inhibits cancer cell growth through a unique mechanism of action. Compound 1 binds to mitochondrial Fo F1 -ATP synthase, inhibits ATP production, and enhances ATP hydrolysis. The presence of one (E)- and two (Z)-α,β-dehydroisoleucines (ΔIle) in the linear 13-mer sequence is the most unusual structural feature of 1. To uncover the biological importance of these residues, we synthesized 1 and its seven E/Z isomers 2-8 by devising a new divergent solid-phase strategy. Both the (E)- and (Z)-ΔIle residues were st